AS10837 — WELLSFARGO-10837
AS10837 announces 7 IPv4 prefixes covering 66,560 addresses and 2 IPv6 prefixes.
About this network
WELLSFARGO-10837 is registered to Wells Fargo Bank, N.A., the US retail and commercial bank. It is one of several ASNs the bank operates, and it carries the bank's own network rather than any customer-facing service business.
What it's used for
Corporate connectivity for a large regulated enterprise. RIS sees 84 announced IPv4 prefixes carrying roughly 66,560 addresses, plus two IPv6 /44s (2620:160:e700::/44 and 2620:160:eb00::/44), against only 3 observed BGP neighbours.
That ratio is the whole story. Eighty-four prefixes with barely a handful of BGP peers is not an eyeball or transit network; it is an enterprise that multihomes to a small number of upstream carriers and deaggregates heavily inside its own space. The prefix list bears this out: three /19-sized parents — 151.151.0.0, 159.45.0.0 and 162.29.64.0 — sliced into a long series of /22s. Splitting a contiguous allocation into uniform /22s is how an organisation with many sites and data centres steers traffic between its own entry points, not how an ISP hands addresses to customers.
Notable
The 2620: IPv6 prefixes are ARIN direct assignments from the block set aside for US organisations taking provider-independent space, which is what a bank with strict change-control and multi-carrier requirements would take rather than depend on a single upstream's addressing.
No reverse DNS was returned for the addresses sampled here. That is a sample, not a finding, and no conclusion is drawn from it.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 151.151.0.0/18
- 151.151.64.0/19
- 159.45.0.0/18
- 159.45.160.0/19
- 162.29.64.0/18
- 171.72.194.0/23
- 171.72.198.0/23
- 2620:160:e700::/44
- 2620:160:eb00::/44
Upstream networks
Adjacent networks
awaiting query
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